Chapter 6.3, Problem 23PP

Write the name for each of the following ions (include the Roman numeral when necessary):
$\begin{array}{l}a.F{e}^{2+}b.C{u}^{2+}c.Z{n}^{2+}\\ d.P{b}^{4+}e.C{r}^{3+}f.M{n}^{2+}\end{array}$